jumper, only print non-zero counts

This makes it easier for me to read.

Change-Id: I6936c31981a2af6b7d3d7db9e60d36010fefa7ec
Reviewed-on: https://skia-review.googlesource.com/11445
Reviewed-by: Mike Klein <mtklein@chromium.org>
Commit-Queue: Mike Klein <mtklein@chromium.org>
1 file changed